Question
जो किसी का पक्ष न
ले दिए गए प्रश्न में वाक्यांश के लिए एक शब्द का चयन करे?Solution
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In a data cube, what does "slice" operation do?
What is the result of SELECT COALESCE(NULL, NULL, 5, 10);?
Which of these is not a typical data warehouse characteristic?
Which of the following stores historical data for analysis?
Which of the following is NOT a characteristic of OLAP systems?
What is the primary function of ETL in a data warehouse environment?
What is the main purpose of a data mart?
A snowflake schema differs from a star schema mainly because:
Which of the following commands is part of the Transaction Control Language (TCL) in SQL?
Which type of slowly changing dimension (SCD) preserves full history by adding a new row for each change and using effective date ranges?